The most common and most likely answer to this crossword clue is the 9 letter word ARCHRIVAL which also is the latest solution we found used in Newsday in 2002.
Serious competitor crossword clue answers
Here's a list of possible crossword answers ranked by the most likely to least likely.
| Answer | Likelyness | Letters |
|---|---|---|
| ARCHRIVAL | 100 % | 9 |
Words with a meaning similar to the clue: Serious competitor
These words may or may not be a possible solution to this crosswords clue.- rival
- foe
- adversary
- antagonist
- nemesis
- enemy
- fog
- antagonized
- except
- adversarial
- dissension
- ob
Crossword Answer definitions
ARCHRIVAL noun- A chief rival.
More crossword clues leading to the same solutions
Here's a few more crossword clues - all leading to the identical solution